The group did not issue a statement coinciding with Avenatti's addition to the roster, but retweeted a message from the attorney declaring that he was "extremely honored" to be added to the list of speakers.

I look forward to speaking at the Iowa State Democratic Wing Ding next month. Extremely honored to be included as one of the speakers. It promises to be a great event as always! #Basta#FightClub

A request for comment to the event's organizers from The Hill was not immediately answered. Avenatti has previously suggested that he is considering a run for president in 2020 to oppose Trump, whom he has stated will be brought down by the multiple investigations surrounding his campaign and former associates.

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“IF (big) he seeks re-election, I will run, but only if I think that there is no other candidate in the race that has a REAL chance at beating him,” Avenatti wrote on Twitter earlier this month. “We can't relive 2016.I love this country, our values and our people too much to sit by while they are destroyed.”

Avenatti has also suggested that only a "street fighter" such as himself would have a shot against Trump in 2020, as the president's aggressive campaign style shocked many in 2016 and was credited by some for his eventual victories in the GOP primary and the general election.

“Be clear — only a street fighter has a chance at displacing the ‘King,’” Avenatti wrote. “Otherwise, this country and its principles will be in pieces and non-recognizable.”